The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 1998
Filed:
Oct. 31, 1996
Applicant:
Inventors:
Anna Sommazzi, S. Margherita Ligure, IT;
Fabio Garbassi, Novara, IT;
Giovanni Mestroni, Trieste, IT;
Barbara Milani, Gorizia, IT;
Lidia Vicentini, S. Giorgio di Nogaro, IT;
Assignee:
Enichem S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; B01J / ;
U.S. Cl.
CPC ...
528392 ; 528392 ; 524701 ; 524706 ; 524710 ; 524711 ; 524712 ; 524714 ; 524765 ; 524786 ; 502162 ; 502165 ; 502167 ; 502169 ;
Abstract
An improved process is described for the preparation of alternating linear copolymers based on carbon monoxide and at least one compound containing an alkenyl unsaturation which comprises reacting in a liquid solvent under the operating conditions, a mixture of carbon monoxide and one or more compounds containing an alkenyl unsaturation in the presence of: (i) a catalyst having general formula (I)